Matter
This is anything that has mass and takes up space
What is matter?
All living organisms on Earth interacting with air, water, and land make up this system
What is the biosphere?
Units of heredity that are passed from parents to offspring
What are genes?
This is the basic unit of structure and function in living things
What is a cell?
This system is responsible for breathing and gas exchange
What is the respiratory system?
This physical property describes how much matter is in an object
What is mass?
Explain why plants are considered producers in ecosystems.
What is because they make their own food using sunlight through photosynthesis?
Genes are located on these structures inside the nucleus.
What are chromosomes?
This cell structure controls what enters and leaves the cell
What is the cell membrane?
This system carries oxygen and nutrients throughout the body.
What is the circulatory system?
This describes a change where no new substance is formed, like tearing paper.
What is a physical change?
If a population grows too large for its environment, which limiting factors are most likely to increase?
What are competition for resources such as food, space, and water?
Explain why siblings can have different traits even though they have the same parents
What is because they inherit different combinations of genes?
This structure is known as the powerhouse of the cell
What is the mitochondria?
This system works with the muscles to allow movement
What is the skeletal system?
Matter can be classified as elements, compounds, or this type of mixture when evenly mixed
What is a homogenous mixture?
Protists are different from bacteria because they have this cell structure.
What is a nucleus?
This factor can speed up reactions by increasing collisions between particles.
What is temperature?
Only plant cells have this organelle for photosynthesis
What are Chloroplasts?
The main function of this system is to break down food for energy
What is the digestive system?
This type of change forms one or more new substances
What is a chemical change?
Fungi get energy by breaking down dead plants and animals. This makes them this type of organism
what is a consumer?
This type of reaction releases heat and energy
What is an exothermic reaction?
This type of cell does not have a nucleus
What is a prokaryote?
This system helps fight disease and infection.
What is the immune system?